Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Bagnoles-de-l'Orne | 2024/01/23 14:20 | Valerio Perruzza v Niklas Schell | 7-6,6-7,6-4 |
| ITF M15 Antalya | 2024/01/11 12:15 | Niklas Schell v Peter Heller | 3-6,2-6 |
| ITF M15 Antalya | 2024/01/11 08:25 | Gabriel Donev v Niklas Schell | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2023/11/23 08:50 | Mats Moraing v Niklas Schell | 6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2023/11/22 13:40 | Valentin Kopeikin v Niklas Schell | 2-6,5-7 |
| ITF M15 Al Zahra | 2023/11/04 12:00 | Niklas Schell v Tomas Lanik | 5-7,6-7 |
| ITF M15 Al Zahra | 2023/11/03 08:00 | Mousa Alkotop v Niklas Schell | 4-6,1-6 |
| ITF M15 Al Zahra | 2023/11/02 10:30 | Issei Okamura v Niklas Schell | 6-7,1-6 |
| ITF M25 Doha | 2024/01/16 13:25 | Masamichi Imamura v Marek Gengel | 6-2,6-4 |
| ITF M15 Doha | 2024/01/10 12:00 | Marek Gengel v Elliot Benchetrit | 4-6,3-6 |
| ITF M25 Heraklion | 2023/12/02 08:30 | Marek Gengel v Valentin Royer | 6-7,6-2,4-6 |
| ITF M25 Heraklion | 2023/12/01 10:50 | Pavlos Tsitsipas v Marek Gengel | 6-3,2-6,2-6 |
| ITF M25 Heraklion | 2023/11/30 07:30 | Max Benaim v Marek Gengel | 1-6,2-6 |
| ITF M25 Heraklion | 2023/11/29 08:50 | Evangelos Kypriotis v Marek Gengel | 0-6,1-6 |
| ITF M25 Vale Do Lobo | 2023/11/15 10:00 | Pietro Pampanin v Marek Gengel | 6-4,6-3 |
| ITF M25 Sharm El Sheikh | 2023/11/02 08:00 | Marek Gengel v Harrison Adams | 6-7,1-6 |